abysmally

As an adjective abysmal

is (now|rare) pertaining to, or resembling an abyss; unending; profound; fathomless; immeasurable .

As an adverb abysmally is

(derogatory) very; incredibly; profoundly; to an extreme degree; dreadfully .

As an adverb abysmally

is very; incredibly; profoundly; to an extreme degree; dreadfully.

As an adjective shallow is

having little depth; significantly less deep than wide.

As a noun shallow is

a shallow portion of an otherwise deep body of water.

As a verb shallow is

to make or become less deep.